有没底子

有/没底子:

Literally means:

have good (poor) grounding

Actually means:

底子 means the foundation or grounding in finance, study, research, etc.

This phrase means being well (poorly)-grounded or having a strong (poor) grounding in wealth, knowledge or experience; have strong (weak) foundation.

底子，经济、学习、研究等的基础或积累。

有/没底子，有没有积累的财富、知识或经验。